144442270 has 16 divisors (see below), whose sum is σ = 297138528. Its totient is φ = 49523040.

The previous prime is 144442247. The next prime is 144442273. The reversal of 144442270 is 72244441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031661 + ... + 1031800.

It is an arithmetic number, because the mean of its divisors is an integer number (18571158).

Almost surely, 2^144442270 is an apocalyptic number.

144442270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144442270 is an abundant number, since it is smaller than the sum of its proper divisors (152696258).

144442270 is a wasteful number, since it uses less digits than its factorization.

144442270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063475.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 144442270 is about 12018.4137888492. The cubic root of 144442270 is about 524.6843393450.

The spelling of 144442270 in words is "one hundred forty-four million, four hundred forty-two thousand, two hundred seventy".